private List<Summary> deserializeCSV(string pSource, int pageSize)
    {
        List<Summary> ret = new List<Summary>(pageSize);

        string[] lines = pSource.Split(new char[] { 'n' });

        Parallel.For(1, lines.Length - 1, i =>
        {
            string[] col = lines[i].Split(',');
            ret.Add(new Summary
            {
                Complaint_Type = col[0],
                Product = col[1],
                ProductGroup = col[2],
                Brand = col[3],
                Each_UPC = col[4],
                SUBJECTCATEGORY_DESC = col[5],
                GROUP_DESC = col[6],
                SUBGROUP_DESC = col[7],
                SUBJECT_DESC = col[8],
                State = col[9],
                CITY = col[10],
                FullZip = col[11],
                Zip = col[12],
                IssueDate = DateTime.Parse(col[13]),
                ComplaintsCount = Single.Parse(col[14]),
                Gender = col[15],
                AgeBucket = col[16],
                Population = Single.Parse(col[17]),
                _RowID = int.Parse(col[18]),
                _RowIDComp = int.Parse(col[19]),
                ComplaintsCount_New = Single.Parse(col[20]),
                Population_New = Single.Parse(col[21]),
                Country = col[22],
                _ID = long.Parse(col[23]),
                C40_CODE = col[24]
            });
        });

        return ret;
    }